印度政府：印度和俄罗斯国防部长讨论了S-400系统的供应、苏-30MKI战斗机的升级以及关键军事硬件的采购事宜。

Core Viewpoint - The Indian government is engaged in discussions with Russia regarding the supply of the S-400 system, upgrades to the Su-30MKI fighter jets, and the procurement of key military hardware [1] Group 1 - The discussions involve the S-400 system supply, indicating ongoing military cooperation between India and Russia [1] - Upgrades to the Su-30MKI fighter jets are part of the agenda, highlighting India's focus on enhancing its air defense capabilities [1] - The procurement of key military hardware suggests a broader strategy to strengthen India's defense infrastructure [1]